690223-24-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 690223-24-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,0,2,2 and 3 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 690223-24:
(8*6)+(7*9)+(6*0)+(5*2)+(4*2)+(3*3)+(2*2)+(1*4)=146
146 % 10 = 6
So 690223-24-6 is a valid CAS Registry Number.
690223-24-6Relevant articles and documents
A convenient synthesis of 2-methyl-3-oxoheptane-1,7-dicarboxylic esters and amides
Elliott, Mark C.,Gist, Matthew J.,Binns, Falmai,Jones, Richard G.
, p. 2899 - 2901 (2007/10/03)
A range of simple derivatives of 2-methyl-3-oxoheptane-1,7-dicarboxylic acid have been prepared by Birch reduction/methylation of 2,6-dimethoxybenzoic acid derivatives followed by solvolysis.